CN202756134U - Hydraulic-driven stepless variable air inlet system - Google Patents
Hydraulic-driven stepless variable air inlet system Download PDFInfo
- Publication number
- CN202756134U CN202756134U CN2012202664376U CN201220266437U CN202756134U CN 202756134 U CN202756134 U CN 202756134U CN 2012202664376 U CN2012202664376 U CN 2012202664376U CN 201220266437 U CN201220266437 U CN 201220266437U CN 202756134 U CN202756134 U CN 202756134U
- Authority
- CN
- China
- Prior art keywords
- intake manifold
- stage casing
- outer tube
- hydraulic
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model aims at providing a hydraulic-driven stepless variable air inlet system which comprises an air inlet total pipe, a resonant cavity, an air inlet manifold and a hydraulic cavity, wherein the air inlet total pipe, the resonant cavity and the air inlet manifold are sequentially connected, the length of the air inlet manifold is variable, and the hydraulic cavity is sleeved on the air inlet manifold to adjust the length of the air inlet manifold. The hydraulic-driven stepless variable air inlet system can achieve good resonance effect in a wide engine rotation speed range by changing the length of the resonant air inlet manifold in different working conditions, improves air inlet efficiency of an air engine, and accordingly improves output power and economical efficiency.
Description
Technical field
The utility model relates to a kind of motor, specifically the gas handling system of motor.
Background technique
Along with expanding economy, oil shortage and environmental pollution problem become increasingly conspicuous, exploitation and use new energy are human inevitable choices, natural gas resource has the advantages such as aboundresources, exhaust emission are low, low price day by day to be subject to people's attention, so natural gas engine has widely market application foreground.
At present, gas engine is mainly formed by diesel engine or gasoline engine refitting, because cylinder forms mixed gas formula gas engine outward, gaseous fuel occupies certain air inlet charge, so that the air quantity that gas engine sucks lacks than the diesel engine under the same operating mode and petrol engine, so the specific power of gas engine is usually than petrol engine and diesel engine low about 10%.The to-and-fro motion of the periodic keying of four stroke engine intake valve and piston makes the γ-ray emission surging of intake duct, under a certain rotating speed, when the IO Intake Valve Opens of motor, it just is the crest of air inlet ripple, just can utilize Wave energy to increase air inflow, thereby improve the power of gas engine, corresponding rotating speed is the resonance rotating speed.The structure of resonance rotating speed and gas handling system is relevant.Gas handling system mainly comprises intake manifold, resonant cavity and intake manifold's three parts, generally strengthen resonance effect by the length that changes intake manifold, resonant cavity and this three part of intake manifold, the length that wherein changes intake manifold is the most obvious to strengthening resonance effect.Patent US6508331B1 changes gas channel by adjusting the barricade position, but it is mainly used in noise elimination noise reduction; Patent US2008066999A1 changes air intake system structure by the aperture of adjusting valve, but its main purpose also is noise elimination noise reduction, and is little on increasing the air inflow impact; The structure of the change gas handling system that patent US0168961A1 uses by the air inlet through hole realizes increasing the purpose of air inlet, but it can not be adjustable continuously.The Resonance Induction System of the variable intake manifold length of using at present, change the length of intake manifold by the circulation path that changes air inlet, because intake manifold comprises the intake manifold in two or three different paths, gas handling system size and weight are large, the space that takies is many, and can only realize two-stage or three grades of variable manifold length, intake manifold length can not continuously change, and therefore can only realize optimum resonant intake system at several operating points.
Summary of the invention
The purpose of this utility model be to provide can be in a big way the hydraulic driving stepless variable inlet system of continuous setup intake manifold length.
The purpose of this utility model is achieved in that
The utility model hydraulic driving stepless variable inlet system, comprise intake manifold, resonant cavity, intake manifold, it is characterized in that: also comprise hydraulic pressure cavity, intake manifold, resonant cavity, intake manifold link to each other successively, the variable-length of intake manifold, hydraulic pressure cavity are enclosed within the length of adjusting intake manifold on the intake manifold.
The utility model can also comprise:
1, described intake manifold comprises the intake manifold leading portion, the intake manifold stage casing, the intake manifold back segment, the intake manifold stage casing comprises intake manifold stage casing outer tube, intake manifold stage casing inner tube, the intake manifold leading portion connects resonant cavity and intake manifold stage casing outer tube, the intake manifold back segment connects intake manifold stage casing inner tube, on the inner tube of intake manifold stage casing groove is set, the first seal ring is installed in the groove, and intake manifold stage casing outer tube is enclosed within on the inner tube of intake manifold stage casing by seal ring, and thereby continuous moving changes intake manifold length under hydraulic pressure cavity drives, and keep sealing with intake manifold stage casing inner tube.
2, the cross section of described hydraulic pressure cavity be fan-shaped, end face for circular, hydraulic oil channel is set on the hydraulic pressure cavity, two ends of hydraulic pressure cavity are provided for the groove that seals, lead; On the outer tube of described intake manifold stage casing driving ring is set, be provided for placing the mounting groove of second, third seal ring and back-up ring on the driving ring, second, third seal ring is close to the hydraulic pressure cavity inwall, driving ring is positioned at the middle part of intake manifold stage casing outer tube, and vertical moving direction with intake manifold stage casing outer tube is consistent all the time to guarantee hydraulic driving power with intake manifold stage casing outer tube center line respectively for the both sides end face of driving ring.
3, also comprise displacement measuring device, displacement measuring device one end is fixed on the outer tube of intake manifold stage casing, the other end is fixed on the inner tube of intake manifold stage casing.
4, the center line of described hydraulic pressure cavity, intake manifold stage casing outer tube and intake manifold stage casing inner tube is the identical circular arc line of curvature.
Advantage of the present utility model is: the utility model is under different operating modes, by changing the length of resonant intake tube, can in wider engine speed range, all can realize preferably resonance effect, improve the intake efficiency of gas engine, thereby the raising output power is improved Economy.
Description of drawings
Fig. 1 is overall construction drawing of the present utility model;
Fig. 2 is intake manifold, resonant cavity, intake manifold leading portion connection diagram;
Fig. 3 is intake manifold stage casing outer tube structure figure;
Fig. 4 is intake manifold stage casing inner tube structure figure;
Fig. 5 is that intake manifold stage casing inner and outer tubes connect sectional drawing;
Fig. 6 is the displacement transducer scheme of installation;
Fig. 7 is intake manifold back segment outer tube structure figure;
Fig. 8 is the hydraulic pressure cavity sectional drawing.
Embodiment
For example the utility model is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～8, the utility model comprises intake manifold 1, resonant cavity 2, intake manifold leading portion 3, intake manifold stage casing outer tube 4, hydraulic pressure cavity 5, hydraulic drive unit 6, hydraulic control unit 7, intake manifold stage casing inner tube 8, displacement measuring device 9 and intake manifold back segment 10.It is characterized in that: intake manifold leading portion 3, intake manifold stage casing outer tube 4, intake manifold stage casing inner tube 8 and intake manifold back segment 10 common formation intake manifold, intake manifold stage casing outer tube 4 and intake manifold stage casing inner tube 8 can relative continuous motions, and intake manifold length changes.Under different operating modes, under hydraulic control unit 7 controls, hydraulic drive unit 6 changes the length in intake manifold stage casing, and is detected in real time the length in intake manifold stage casing by displacement measuring device 9.
Intake manifold's 1 resonant cavity 2 is cast as one, intake manifold's 1 center line resonant cavity central lines, and intake manifold's inner chamber is circular, house steward's front end has an adpting flange.Resonant cavity 2 inner chambers are the excessive rectangular of Rouno Cormer Pregrinding Wheel, and an end is connected with intake manifold 1, and the other end is connected with intake manifold leading portion 3.Four intake manifold leading portions 3 are measure-alike, and the inner chamber radial cross section is circular, and each manifold leading portion 3 is connected with manifold stage casing outer tube and is connected by flange respectively.Intake manifold stage casing inner tube 8 is installed in the outer tube 4, and outer tube 4 is assemblied in the hydraulic pressure cavity 5, in the outer tube 4, hydraulic pressure cavity 5 and the central lines of inner tube 8.Stage casing inner tube 8 is connected with intake manifold back segment 10 by flange, and intake manifold back segment 10 is fixed on engine cylinder by flange and covers, and hydraulic pressure cavity 5 is fixed by support, produces relative movement in driving lower outer pipe 4 and the inner tube 8 of hydraulic pressure, and the length of manifold changes.On the outer wall of intake manifold stage casing outer tube 4 certain thickness driving ring is arranged, driving ring is positioned at the neutral position of outer tube 4, the both sides end face of driving ring is vertical with outer tube 4 center lines respectively, and the moving direction with outer tube 4 is consistent all the time to guarantee hydraulic driving power, is processed with seal ring on the driving ring annular groove is installed.Each inner tube 8 is connected an end with intake manifold back segment 10 and is equipped with flange, and each inner tube 8 cooperates an end to be processed with the seal ring mounting groove with outer tube 4.The center line of hydraulic pressure cavity 5 is circular arc lines identical with inner tube 4 center line curvature with outer tube 8, hydraulic pressure cavity 5 both sides are with the pipeline that cooperates with outer tube 8, that pipeline inner wall is processed with is dustproof for installing, the annular groove of guiding and seal ring, and two pipeline the other end bands are useful on fixing flange.Displacement measuring device 9 adopts variable interior resistive displacement transducer, the sensor two ends are separately fixed on intake manifold stage casing inner tube 8 and outer tube 4 outer walls, the signal of displacement transducer output changes with the change of outer tube 4 and inner tube 8 relative positions, and hydraulic control unit 7 goes out the intake manifold length value according to the calculated signals of displacement transducer.According to different operating modes, hydraulic control unit 7 is adjusted intake manifold stage casing outer tube 4 and inner tube 8 relative positions, and according to calculated signals outer tube 4 and inner tube 8 relative positions of displacement transducer, thereby realizes the closed loop control to the intake manifold length adjustment.
In conjunction with Fig. 2, intake manifold, resonant cavity, intake manifold leading portion are cast as one, intake manifold's 1 center line resonant cavity central lines, and intake manifold's inner chamber is circular, house steward's front end has an adpting flange 11; Resonant cavity 2 inner chambers are the excessive rectangular of Rouno Cormer Pregrinding Wheel, and an end is connected with intake manifold 1, and the other end is connected with intake manifold leading portion 3.Four intake manifold leading portions 3 are measure-alike, and the inner chamber radial cross section is circular, and each manifold leading portion 3 is connected with manifold stage casing outer tube respectively by flange 12 connections.
In conjunction with Fig. 3, intake manifold stage casing outer tube 4 center lines are circular arcs, the inner chamber radial cross section is circular, certain thickness driving ring is arranged on the outer wall of outer tube 4, driving ring is positioned at the neutral position of outer tube 4, the both sides end face of driving ring is vertical with outer tube 4 center lines respectively, the moving direction with outer tube 4 is consistent all the time to guarantee hydraulic driving power, be processed with three mounting grooves 14 on the driving ring, 15,16, mounting groove 14,16 are used for installing seal ring, mounting groove 15 is used for installing back-up ring, and outer tube 4 one ends in stage casing are connected connection by flange 13 with the intake manifold leading portion, and the other end is connected connection by seal ring with the stage casing inner tube.
In conjunction with Fig. 2 and Fig. 3, two flange connections have sealing gasket, guarantee the tightness of joint.
In conjunction with Fig. 4 and Fig. 5, intake manifold stage casing inner tube 8 center lines are circular arcs, and the inner chamber radial cross section is circular, inner tube 8 one ends are connected connection by flange 17 with the intake manifold back segment, the other end outer wall has a seal ring mounting groove, is used for installing seal ring, realizes being tightly connected of inner and outer tubes.
In conjunction with Fig. 6, displacement measuring device 9 one ends are fixed on the outer tube 4, the other end is fixed on the inner tube 8, the signal of displacement transducer output changes along with the change of intake manifold stage casing outer tube 4 and inner tube 8 relative positions, hydraulic control unit 7 goes out the relative position of outer tube 4 and inner tube 8 according to the calculated signals of displacement transducer, thereby calculates the length of intake manifold.
In conjunction with Fig. 7, intake manifold back segment 10 center lines are transitioned into linarity gradually by circular arc, one end is connected connection by flange 21 with intake manifold stage casing inner tube, the other end is connected with motor by flange 20, and the inner chamber radial cross section is transitioned into the square that is connected with motor gradually by the circle that is connected with stage casing inner tube 8.
In conjunction with Fig. 4 and Fig. 7, two flange connections have sealing gasket, guarantee the tightness of joint.
In conjunction with Fig. 8, hydraulic pressure cavity 5 lumen centers lines are a circular arc, inner chamber stage casing radial cross section is circular, be provided with hydraulic oil channel 22,27, inner chamber both sides section radial cross section is circular, the both sides section is symmetrical about the radial cross section of crossing the stage casing mid point, and each side of inner chamber is provided with guiding carrier ring mounting groove 26, rod seal mounting groove 25 and dust ring mounting groove 24; Each side also is provided with hydraulic pressure cavity fastening flange 23.
In conjunction with Fig. 3, Fig. 4 and Fig. 8, the center line of hydraulic pressure cavity 5, outer tube 8 and inner tube 4 is the identical circular arc lines of curvature.
Under hydraulic control unit 7 controls, according to different operating modes, hydraulic drive unit 6 is adjusted the flow direction and the flow of hydraulic oil, thereby adjusts the length in intake manifold stage casing, and by the displacement measuring device 9 real-time length that detect the intake manifold stage casing, realize intake manifold is interrupted the closed loop control of adjustment.
Claims (8)
1. hydraulic driving stepless variable inlet system, comprise intake manifold, resonant cavity, intake manifold, it is characterized in that: also comprise hydraulic pressure cavity, intake manifold, resonant cavity, intake manifold link to each other successively, the variable-length of intake manifold, hydraulic pressure cavity are enclosed within the length of adjusting intake manifold on the intake manifold.
2. hydraulic driving stepless variable inlet according to claim 1 system, it is characterized in that: described intake manifold comprises the intake manifold leading portion, the intake manifold stage casing, the intake manifold back segment, the intake manifold stage casing comprises intake manifold stage casing outer tube, intake manifold stage casing inner tube, the intake manifold leading portion connects resonant cavity and intake manifold stage casing outer tube, the intake manifold back segment connects intake manifold stage casing inner tube, on the inner tube of intake manifold stage casing groove is set, the first seal ring is installed in the groove, and intake manifold stage casing outer tube is enclosed within on the inner tube of intake manifold stage casing by seal ring, and thereby continuous moving changes intake manifold length under hydraulic pressure cavity drives, and keep sealing with intake manifold stage casing inner tube.
3. hydraulic driving stepless variable inlet according to claim 1 and 2 system is characterized in that: the cross section of described hydraulic pressure cavity be fan-shaped, end face for circular, hydraulic oil channel is set on the hydraulic pressure cavity, two ends of hydraulic pressure cavity are provided for the groove that seals, lead; On the outer tube of described intake manifold stage casing driving ring is set, be provided for placing the mounting groove of second, third seal ring and back-up ring on the driving ring, second, third seal ring is close to the hydraulic pressure cavity inwall, driving ring is positioned at the middle part of intake manifold stage casing outer tube, and vertical moving direction with intake manifold stage casing outer tube is consistent all the time to guarantee hydraulic driving power with intake manifold stage casing outer tube center line respectively for the both sides end face of driving ring.
4. hydraulic driving stepless variable inlet according to claim 2 system, it is characterized in that: also comprise displacement measuring device, displacement measuring device one end is fixed on the outer tube of intake manifold stage casing, the other end is fixed on the inner tube of intake manifold stage casing.
5. hydraulic driving stepless variable inlet according to claim 3 system, it is characterized in that: also comprise displacement measuring device, displacement measuring device one end is fixed on the outer tube of intake manifold stage casing, the other end is fixed on the inner tube of intake manifold stage casing.
6. hydraulic driving stepless variable inlet according to claim 2 system, it is characterized in that: the center line of described hydraulic pressure cavity, intake manifold stage casing outer tube and intake manifold stage casing inner tube is the identical circular arc line of curvature.
7. hydraulic driving stepless variable inlet according to claim 3 system, it is characterized in that: the center line of described hydraulic pressure cavity, intake manifold stage casing outer tube and intake manifold stage casing inner tube is the identical circular arc line of curvature.
8. according to claim 4 or 5 described hydraulic driving stepless variable inlet systems, it is characterized in that: the center line of described hydraulic pressure cavity, intake manifold stage casing outer tube and intake manifold stage casing inner tube is the identical circular arc line of curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202664376U CN202756134U (en) | 2012-06-07 | 2012-06-07 | Hydraulic-driven stepless variable air inlet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202664376U CN202756134U (en) | 2012-06-07 | 2012-06-07 | Hydraulic-driven stepless variable air inlet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756134U true CN202756134U (en) | 2013-02-27 |
Family
ID=47735321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202664376U Expired - Fee Related CN202756134U (en) | 2012-06-07 | 2012-06-07 | Hydraulic-driven stepless variable air inlet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678400A (en) * | 2012-06-07 | 2012-09-19 | 哈尔滨工程大学 | Hydraulic drive continuously variable gas inlet system |
| CN111042963A (en) * | 2018-10-15 | 2020-04-21 | 本田技研工业株式会社 | Intake device for internal combustion engine |
-
2012
- 2012-06-07 CN CN2012202664376U patent/CN202756134U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678400A (en) * | 2012-06-07 | 2012-09-19 | 哈尔滨工程大学 | Hydraulic drive continuously variable gas inlet system |
| CN111042963A (en) * | 2018-10-15 | 2020-04-21 | 本田技研工业株式会社 | Intake device for internal combustion engine |
| CN111042963B (en) * | 2018-10-15 | 2022-01-14 | 本田技研工业株式会社 | Intake device for internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628395B (en) | Electrodeless variable resonance air inlet system | |
| CN101413429B (en) | Turbocharging system for adjusting exhausting pipe volume by rotating baffle | |
| CN104358612A (en) | Pipeline expansion mechanism | |
| CN102678400A (en) | Hydraulic drive continuously variable gas inlet system | |
| CN202756134U (en) | Hydraulic-driven stepless variable air inlet system | |
| CN104989508A (en) | Supercharged engine exhaust pipe volume control system and method | |
| CN202381163U (en) | Electronic control electrodeless variable inlet manifold resonance air inlet system of gas engine | |
| CN102434267B (en) | Resonance intake system of electronic control stepless variable inlet manifold of gas engine | |
| CN202611854U (en) | Stepless variable resonant air inlet system | |
| CN103742251A (en) | Variable air inlet system for engine | |
| CN202806740U (en) | Air pump air inlet noise reducing device, pump assembly, vehicle air braking system and vehicle | |
| CN205605295U (en) | Pulse energy and pumping loss balancing unit | |
| CN203081685U (en) | Double-cylinder double-acting linear reciprocating air compressor | |
| CN209164024U (en) | A kind of piston swinging type electric vacuum pump | |
| CN204921119U (en) | Supercharged engine blast pipe volume control system | |
| CN113153720A (en) | Compressor economizer based on discharge valve clearance is adjusted | |
| CN2675749Y (en) | Driving mechanism of excavator | |
| CN104481672A (en) | Piston exhaust pressure controller | |
| CN207960769U (en) | A kind of piston type pulse energy sustained release turbo charging installation | |
| CN104500216A (en) | Pumping loss reducing device | |
| CN202468096U (en) | Gas engine electric-control electrodeless variable intake main pipe resonance intake system | |
| CN101413428A (en) | Exhausting pipe volume-adjustable turbocharging system with baffle shaft at side | |
| CN205117488U (en) | Supercharged engine rotational speed trailing type volume controlling means | |
| CN205117489U (en) | Supercharged engine blast pipe volume controlling means | |
| CN104500197A (en) | Rotary back pressure control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20140607 |